diff --git a/.github/workflows/sanitizer-tests.yaml b/.github/workflows/sanitizer-tests.yaml
index 606d924d4ce..67aca540ee8 100644
--- a/.github/workflows/sanitizer-tests.yaml
+++ b/.github/workflows/sanitizer-tests.yaml
@@ -6,15 +6,15 @@ on:
       discovery_server_branch:
         description: 'Branch or tag of Discovery Server repository (https://github.com/eProsima/Discovery-Server)'
         required: true
-        default: 'master'
+        default: '3.0.x-devel'
       fastdds_branch:
         description: 'Branch or tag of Fast DDS repository (https://github.com/eProsima/Fast-DDS)'
         required: true
-        default: 'master'
+        default: '3.0.x-devel'
   pull_request:
   push:
     branches:
-      - master
+      - 3.0.x-devel
   schedule:
     - cron: '0 1 * * *'
 
@@ -115,8 +115,8 @@ jobs:
     runs-on: ubuntu-22.04
 
     env:
-      FASTDDS_BRANCH: ${{ github.head_ref || github.event.inputs.fastdds_branch || 'master' }}
-      DEFAULT_DISCOVERY_SERVER_BRANCH: ${{ github.event.inputs.discovery_server_branch || 'master' }}
+      FASTDDS_BRANCH: ${{ github.head_ref || github.event.inputs.fastdds_branch || '3.0.x-devel' }}
+      DEFAULT_DISCOVERY_SERVER_BRANCH: ${{ github.event.inputs.discovery_server_branch || '3.0.x-devel' }}
 
     steps:
       - name: Install wget